Square Foot to Are Converter

Area Converter

20 units available

Decimals:

From

To

0.000929

1 ft² = 0.000929 a

Formula:

a = ft² × 0.0009290304

With your value: 1 ft² = 0.00092903 a

How big is that?

Everyday references on a logarithmic scale, all expressed in square foot so you can sanity-check the result.

Postage stamp (1/1.5e+2 your value)0.00646 ft²

A4 sheet (1/1.5 your value)0.673 ft²

Your value1.00 ft²

Parking space (1.3e+2× your value)135 ft²

Tennis court (2.8e+3× your value)2.81e+3 ft²

Football pitch (7.7e+4× your value)7.69e+4 ft²

Other Square Foot to Are conversions

2 ft² to a 3 ft² to a 4 ft² to a 5 ft² to a 6 ft² to a 7 ft² to a 8 ft² to a

Square Foot to Are Conversion Table

Square Foot (ft²)	Are (a)
0.5	0.000465
1	0.000929
2	0.001858
5	0.004645
10	0.00929
15	0.013935
20	0.018581
25	0.023226
50	0.046452
100	0.092903
250	0.232258
500	0.464515
1000	0.92903

Are to Square Foot Conversion Table

Are (a)	Square Foot (ft²)
0.5	538.195521
1	1,076.391042
2	2,152.782083
5	5,381.955208
10	10,763.910417
15	16,145.865625
20	21,527.820833
25	26,909.776042
50	53,819.552084
100	107,639.104167
250	269,097.760418
500	538,195.520835
1000	1,076,391.041671

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Square Foot (ft²)

Area

Exact conversion

Derived from the square metre via the length definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Are (a)

Area

Exact conversion

Derived from the square metre via the length definitions above.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Square Foot to Are

To convert from Square Foot (ft²) to Are (a), multiply the value by 0.0009290304.

Formula: a = ft² × 0.0009290304

Reverse: ft² = a × 1,076.391041671

Step-by-Step Example

Start with your value in Square Foot. For example: 5 ft²
Multiply by the conversion factor: 5 x 0.0009290304
The result is: 0.004645 a

About Square Foot

The square foot is an imperial unit of area equal to a square with sides of 1 foot. It is the standard unit for real estate in the US.

Common uses: real estate (US), flooring, construction.

About Are

The are (a) is a unit of area. One are equals 100 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: area calculations, engineering and science, education.

Frequently Asked Questions

How many Are are in 1 Square Foot?

There are exactly 0.0009290304 Are in 1 Square Foot. This means the conversion factor from Square Foot to Are is 0.0009290304.

What is the formula to convert Square Foot to Are?

The formula to convert Square Foot to Are is: a = ft² × 0.0009290304. For example, to convert 10 Square Foot to Are, you would multiply 10 by 0.0009290304.

What is a Square Foot?